SMS blockers are third-party tools that help mobile phone users filter text messages from unknown senders and eliminate spam. It allows users to block any sender they deem a potential source of annoying, unsolicited text messages. SMS messaging is a preferred mode of communication for personal and business settings. It has a very high open and read rate because of its quick delivery, convenience, and cost-effectiveness. However, the advantages of SMS messaging can be overshadowed by the annoying spam messages that people often receive.
Automated messages from companies that use APIs, such as offers for cheap mortgages, gifts, and debt relief, are intrusive and disruptive. Be wary of clicking on links within these messages, as they may lead to harmful consequences. It can start downloading viruses, stealing data, making unauthorized calls, and other potential issues. The increase in such malicious activities has necessitated the use of SMS Blockers. Let us learn more about its definition, how it works, and its benefits.
What is an SMS Blocker?
An SMS blocker is a software application that controls users’ incoming messages. It allows them to choose which numbers they want to receive messages from and block unwanted messages sent by strangers or spammers. It can also block specific words, such as “Win a Contest,” “Free Gift,” etc., so you don’t have to manually check each message before responding. It allows you to block calls and text messages from unwanted senders. If you unintentionally subscribe to a text message campaign and cannot unsubscribe, this feature will help you stop receiving the messages.
SMS blocker apps are helpful for mobile phone users who want to avoid unwanted text messages. These apps work by recognizing spam or unsolicited messages and blocking them from appearing in the inbox. Spam text messages and promotional messages from websites that aren’t relevant can be annoying and provide no value to the user. Users can keep their message inbox clean and only receive meaningful messages using a spam blocker.
Text message blockers are designed to identify and prevent unwanted messages from telemarketers, business contacts, or online sellers. They protect users’ privacy by blocking messages containing personal information that may be used against them. There are many apps available to block spam messages permanently.
Read more about What is SMS and how it can be used for text marketing campaigns.
How Does SMS Blocker Work?
The way SMS blockers function varies on Android and iOS devices. Generally, they enable users to blacklist or whitelist numbers and create profiles to block specific messages. These blockers use advanced algorithms to identify spam text messages and prevent them from landing in the user’s inbox.
On Android devices, text blockers typically use blacklisting, whitelisting, and advanced algorithms to identify and prevent spam texts. Some even have a built-in function that enables users to report dubious phone numbers to the database.
For iOS devices, text blockers can work in conjunction with the call-blocking feature of the operating system. These blockers can identify and stop incoming calls or messages from numbers known as spam.
Why Do SMS Blockers Exist?
SMS blockers exist to protect users from unwanted text messages and calls. The increase in malicious activities, such as phishing attacks or scams, has necessitated message blockers. With an SMS blocker, users can stay safe from potential threats and secure their personal information.
Text blockers exist today because many people have become uncomfortable receiving text messages from unknown sources. Many text marketers have abused the convenience and efficient SMS service by sending spam and irrelevant messages, which has caused a lot of nuisance and intrusion into personal lives. SMS blockers help to reduce or eliminate this problem. It protects privacy and offers various features to ensure peace of mind.
What is the Importance of SMS Blocker?
SMS blockers are essential for users who want to stay safe from threats and protect their personal information. It helps to reduce or eliminate spam messages, phishing attacks, and other malicious activities that may lead to harm. The text blocker allows users to take control of their inboxes and only receive messages from trusted sources.
Text message blockers are also crucial for businesses that send texts regularly. It helps ensure that all their contacts receive genuine messages without any disruption from spammers, telemarketers, or scammers. It keeps the company’s reputation intact and allows customers to trust its services. It prevents malicious apps from tracking users’ activities and stealing valuable data.
What Does the SMS Blocker Do?
The SMS blocker does various things to help protect users and their data. Different apps have different features offered. You can choose among the different SMS blockers in the market to find one that meets your needs. Generally, they allow users to:
- Block specific numbers or messages
- Create profiles for blocking certain words and phrases
- Whitelist trusted contacts
- Report suspicious numbers or messages
- Block calls and text messages from unwanted senders
- Receive notifications when messages from unknown senders arrive
- Block unwanted promotional offers and advertisements
- Control who can view personal information or contact users
An SMS blocker primarily filters incoming text messages, blocks unwanted numbers or contacts, prevents malicious activities, and keeps your data safe. It helps identify and block spam messages containing viruses, spyware, phishing scams, or malicious content.
It also helps protect users from fraudulent activities such as online scams and identity theft. It stops unsolicited calls and messages from telemarketers and other untrustworthy sources. In addition, it helps to reduce the amount of unwanted messaging that clogs up your inbox every day so that you can focus on essential messages without distractions.
What are the Benefits of SMS Blocker?
Using an SMS blocker app is beneficial in determining the relevance of messages received in the phone’s inbox. Once open, many unwanted texts could become malicious threats to the system. Automated systems and software can update the spam filter service and monitor several accounts. They can also help by quarant reporting spam text messages to update the user’s whitelist. With automatic quarantine, you can have a spam-free inbox.
The other essential benefits of SMS blocker apps are as follows:
- The solutions for blocking texts target specific SMS messages and scan the subject lines and entire messages.
- Text-blocking apps offer a high degree of customization. Besides blocking SMS from specific senders, users can also stop suspicious messages from numbers not in their recipient list.
- Spam filter updates can help an efficient spam filter detect emerging malware threats.
- Anti-spam filter software allows users to filter spam and monitor multiple accounts, including personal and business phone numbers.
- SMS blocking software has a feature for reporting spam, which lets users send the spam to the program’s developers. By analyzing the reported spam, the developers can update the filters used by the program.
- A vital aspect of a reliable SMS blocker is its containment technology, which protects the system by identifying and confining new or unidentified malware. This technology establishes defined boundaries for harmful files or targeted threats, thus reducing the risk of malicious attacks.
What are the Downsides of SMS Blocker?
SMS blocker apps also have certain downsides. Users may experience different cons depending on the app they install on their mobile devices. Some of the most common disadvantages of using SMS blockers for spam text messages are the following:
- Some SMS blockers are expensive.
- Some apps require users to purchase additional services, like call-blocking features, which add up to your cost.
- SMS blocker apps can take up a lot of storage space on your mobile device.
- Blocked messages may not be visible in the messaging app but could still be visible in the notification center.
- SMS blockers sometimes block legitimate messages because of their strict settings and filters.
- Some apps may not be compatible with specific mobile devices, so users may need to look for another one more suitable for their device.
- Most SMS blockers are based on algorithms. Thus, they cannot detect every spam message or malicious intent and, therefore, can miss some suspicious messages.
Does SMS Blocker Block Spoof Messages?
No. SMS blocker apps cannot block spoof messages because they rely on algorithms and filters to detect spam or malicious content. Spoofing is a method attackers use to disguise their identity when sending malicious emails and texts. It involves using fake usernames, email addresses, and even phone numbers to trick the recipient into believing the message came from a trusted source. Learn more about What is SMS Spoofing, and why your business and customers should be protected against it.
What are the Best SMS Blocker Apps in the Market?
Many SMS blocker apps are available in the market, such as RoboKiller, Truecaller, and Hiya. These apps are the most popular and widely-used SMS blocking apps for Android and iOS users. Here are more details about them and some additional choices.
- RoboKiller – RoboKiller has a global database of 1.4 Billion analyzed calls and patented audio fingerprinting technology that uses machine learning. Robokiller will protect you from those unwanted calls. Robokiller sends incoming spam calls to recorded messages called Answer Bots. It allows the caller to understand how it feels to have their time wasted. For those who want an additional layer of protection against random number spoofing and fake numbers, Robokiller offers Advanced Call Blocking to identify and block these calls before they ring your phone. It works for both Android and iOS mobile devices.
- TrueCaller – Truecaller is one of the most popular spam text blockers out there, and it has been downloaded over 400 million times on Google Play alone. Truecaller blocks calls and texts from unknown numbers, helping users control their calls and messages. It is an excellent app for connecting with friends, family, and coworkers and avoiding spam calls. This text blocker app allows you to perform essential functions and check whether your contacts are already on another call. In addition, Truecaller has a database where you can look up phone numbers and see the caller’s name. However, most of these great features come with a cost. This spam blocker works on devices running Apple iOS and Android operating systems.
- Hiya – Hiya is an SMS and calls blocker app that automatically identifies robocalls, telemarketers, and debt collectors. Unlike the first two apps, Hiya sends notifications for spam calls with warnings. This text blocker also has a reverse phone lookup option, allowing you to discover unsaved numbers’ names. This spam blocker works on devices running Apple iOS and Android operating systems. You can download Hiya for free but must upgrade to a premium subscription plan if you want access to all features.
- Key Messages – Key Messages is the Android app you need to keep your messages safe. Back up and restore them quickly, delete duplicate texts, and take advantage of MMS features—all things other free text blockers cannot do as effectively. Key Messages is unique from the other apps because it allows users to block particular text messages with different filters. It blocks unknown numbers, spam, and anything you wish to completely ban from receiving. It uses a blocklist and allowlist to prioritize the numbers you want to restrict and never block. Additionally, it helps in reducing unnecessary cluttering of your phone. This SMS blocker is available for Android users only.
- Call Control – Call Control uses a massive community of over 12 million people to block spam, robocalls, and telemarketers quickly and accurately. With Call Control, users can crowdsource data from fellow members to identify and block suspicious numbers. It also allows users to filter their calls, creating a safelist of phone numbers from which they want to receive calls. Call Control makers have paid much attention to support and provide an excellent knowledge base for Android and iOS users.
How to Use the SMS Blockers for Android?
Using SMS blockers for Android is pretty straightforward. Here are the steps to use an SMS blocker on your Android device.
- Download the SMS blocker app from the Google Play Store or its official website.
- Once you have downloaded and installed the app, go through all its features and customize it according to your preferences. Most apps will offer a wide range of filters, categories, and options for blocking messages you can modify.
- Choose the contacts you want to block or add them to a blacklist to block them automatically when they try to send messages.
- When finished, turn on the app and start enjoying its features.
Text messages on Android can be done quickly through the Google Messages app, which is available for download on all Android phones via the Google Play Store. Since the app comes pre-installed on some devices, it is the most straightforward.
If you’re using a messaging app other than the default one, there will likely be a specific procedure to block certain contacts. Nevertheless, the steps tend to be similar. Firstly, open your Messages app. You’ll usually find a three-dot menu, which leads to the Settings. Alternatively, you can choose a message and look for a block option. As with all Android devices, the process may differ, but these are the general steps.
How to Use the SMS Blocker for iPhone?
If you use an iOS or iPhone device, you can use the native ‘Do Not Disturb’ option to block messages from specific contacts. To do this, follow these steps:
- Open the Settings app and select “Do Not Disturb.”
- Tap “Allow Calls From,” then choose who can get through when Do Not Disturb is activated.
- You also have the option to set the “Repeated Calls” toggle, which allows a second call from the same number within three minutes to come through. You can also add contacts to your block list in Contacts Settings.
- Tap Block Contact and then add any contact you want to be blocked.
In addition to using Do Not Disturb, there are several apps available for iOS that can help block unwanted text messages. For example, Truecaller and Hiya are two of iPhone users’ more popular SMS blocker apps. These apps provide reliable protection against spam calls and texts.
McAfee Mobile Security is an excellent choice if you want extra layers of protection to detect spoofed numbers, malware-filled messages, or phishing attempts. This app blocks unwanted messages and scans any incoming messages for potential threats and malicious links before allowing them to reach your device.
Can SMS Blocker Detect Spam Text Messages?
Yes. Most SMS blockers can detect and block spam text messages. The app you are using will usually have a setting that allows you to turn on automatic blocking for known spammers or allow users to add contacts to their blocked list manually. Some apps also employ algorithms to scan incoming messages and identify new spam messages before they reach your phone. Learn more about How to Block Spam Text and get rid of unwanted messages effectively.
Can SMS Blocker Detect SMS Hacking Links?
Yes. Most SMS blockers can detect and block malicious links in text messages that could be used to hack your phone or steal personal information. These apps usually have a setting that allows you to turn on automatic scanning for malicious links to block any suspicious links sent through SMS hacking. Some apps also use algorithms to identify new phishing attempts before they reach your device. These algorithms work by analyzing link structure, content of messages, and other factors to identify potential threats.